UOB UnionPay cardholders can get S$3 off at Sheng Siong Supermarkets with a minimum S$30 nett payment, valid till 25 May 2026.
Key Details
- Offer: S$3 discount at Sheng Siong Supermarkets.
- Validity: till 25 May 2026.
- Minimum spend: S$30 nett after merchant discounts.
- Eligibility: valid UOB UnionPay Card transactions.
- Frequency: once a day per valid card, up to 10 times during the promotion period.
How To Claim
- Shop at Sheng Siong and spend at least S$30 nett.
- Pay directly with a valid UOB UnionPay Card.
- Do not pay through third-party platforms such as Alipay or WeChat Pay if you want the discount to count.
Main Terms
- Discounts are first-come, first-served.
- Not valid for Sheng Siong vouchers and tobacco products.
- The sales receipt may show the original amount; the discounted amount appears in the cardholder’s bank statement.
The mechanics are listed on UOB’s UnionPay Card page.



